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-rw-r--r--src/Makefile.test.include1
-rw-r--r--src/addrman.cpp8
-rw-r--r--src/addrman.h16
-rw-r--r--src/test/addrman_tests.cpp180
4 files changed, 199 insertions, 6 deletions
diff --git a/src/Makefile.test.include b/src/Makefile.test.include
index a3b6c4d9b1..0fe8ea42ff 100644
--- a/src/Makefile.test.include
+++ b/src/Makefile.test.include
@@ -36,6 +36,7 @@ GENERATED_TEST_FILES = $(JSON_TEST_FILES:.json=.json.h) $(RAW_TEST_FILES:.raw=.r
BITCOIN_TESTS =\
test/arith_uint256_tests.cpp \
test/bignum.h \
+ test/addrman_tests.cpp \
test/alert_tests.cpp \
test/allocator_tests.cpp \
test/base32_tests.cpp \
diff --git a/src/addrman.cpp b/src/addrman.cpp
index ff1f7e9187..078b9e1681 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -329,13 +329,17 @@ void CAddrMan::Attempt_(const CService& addr, int64_t nTime)
info.nAttempts++;
}
-CAddrInfo CAddrMan::Select_()
+CAddrInfo CAddrMan::Select_(bool newOnly)
{
if (size() == 0)
return CAddrInfo();
+ if (newOnly && nNew == 0)
+ return CAddrInfo();
+
// Use a 50% chance for choosing between tried and new table entries.
- if (nTried > 0 && (nNew == 0 || GetRandInt(2) == 0)) {
+ if (!newOnly &&
+ (nTried > 0 && (nNew == 0 || GetRandInt(2) == 0))) {
// use a tried node
double fChanceFactor = 1.0;
while (1) {
diff --git a/src/addrman.h b/src/addrman.h
index 384b6cfdb9..1123caabfa 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -22,6 +22,8 @@
*/
class CAddrInfo : public CAddress
{
+
+
public:
//! last try whatsoever by us (memory only)
int64_t nLastTry;
@@ -230,8 +232,8 @@ protected:
//! Mark an entry as attempted to connect.
void Attempt_(const CService &addr, int64_t nTime);
- //! Select an address to connect to.
- CAddrInfo Select_();
+ //! Select an address to connect to, if newOnly is set to true, only the new table is selected from.
+ CAddrInfo Select_(bool newOnly);
#ifdef DEBUG_ADDRMAN
//! Perform consistency check. Returns an error code or zero.
@@ -532,13 +534,13 @@ public:
/**
* Choose an address to connect to.
*/
- CAddrInfo Select()
+ CAddrInfo Select(bool newOnly = false)
{
CAddrInfo addrRet;
{
LOCK(cs);
Check();
- addrRet = Select_();
+ addrRet = Select_(newOnly);
Check();
}
return addrRet;
@@ -567,6 +569,12 @@ public:
Check();
}
}
+
+ //! Ensure that bucket placement is always the same for testing purposes.
+ void MakeDeterministic(){
+ nKey.SetNull(); //Do not use outside of tests.
+ }
+
};
#endif // BITCOIN_ADDRMAN_H
diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp
new file mode 100644
index 0000000000..cfcdd9abb2
--- /dev/null
+++ b/src/test/addrman_tests.cpp
@@ -0,0 +1,180 @@
+// Copyright (c) 2012-2013 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include "addrman.h"
+#include "test/test_bitcoin.h"
+#include <string>
+#include <boost/test/unit_test.hpp>
+
+#include "random.h"
+
+using namespace std;
+
+class CAddrManTest : public CAddrMan{};
+
+BOOST_FIXTURE_TEST_SUITE(addrman_tests, BasicTestingSetup)
+
+BOOST_AUTO_TEST_CASE(addrman_simple)
+{
+ CAddrManTest addrman;
+
+ // Set addrman addr placement to be deterministic.
+ addrman.MakeDeterministic();
+
+ CNetAddr source = CNetAddr("252.2.2.2:8333");
+
+ // Test 1: Does Addrman respond correctly when empty.
+ BOOST_CHECK(addrman.size() == 0);
+ CAddrInfo addr_null = addrman.Select();
+ BOOST_CHECK(addr_null.ToString() == "[::]:0");
+
+ // Test 2: Does Addrman::Add work as expected.
+ CService addr1 = CService("250.1.1.1:8333");
+ addrman.Add(CAddress(addr1), source);
+ BOOST_CHECK(addrman.size() == 1);
+ CAddrInfo addr_ret1 = addrman.Select();
+ BOOST_CHECK(addr_ret1.ToString() == "250.1.1.1:8333");
+
+ // Test 3: Does IP address deduplication work correctly.
+ // Expected dup IP should not be added.
+ CService addr1_dup = CService("250.1.1.1:8333");
+ addrman.Add(CAddress(addr1_dup), source);
+ BOOST_CHECK(addrman.size() == 1);
+
+
+ // Test 5: New table has one addr and we add a diff addr we should
+ // have two addrs.
+ CService addr2 = CService("250.1.1.2:8333");
+ addrman.Add(CAddress(addr2), source);
+ BOOST_CHECK(addrman.size() == 2);
+
+ // Test 6: AddrMan::Clear() should empty the new table.
+ addrman.Clear();
+ BOOST_CHECK(addrman.size() == 0);
+ CAddrInfo addr_null2 = addrman.Select();
+ BOOST_CHECK(addr_null2.ToString() == "[::]:0");
+}
+
+BOOST_AUTO_TEST_CASE(addrman_ports)
+{
+ CAddrManTest addrman;
+
+ // Set addrman addr placement to be deterministic.
+ addrman.MakeDeterministic();
+
+ CNetAddr source = CNetAddr("252.2.2.2:8333");
+
+ BOOST_CHECK(addrman.size() == 0);
+
+ // Test 7; Addr with same IP but diff port does not replace existing addr.
+ CService addr1 = CService("250.1.1.1:8333");
+ addrman.Add(CAddress(addr1), source);
+ BOOST_CHECK(addrman.size() == 1);
+
+ CService addr1_port = CService("250.1.1.1:8334");
+ addrman.Add(CAddress(addr1_port), source);
+ BOOST_CHECK(addrman.size() == 1);
+ CAddrInfo addr_ret2 = addrman.Select();
+ BOOST_CHECK(addr_ret2.ToString() == "250.1.1.1:8333");
+
+ // Test 8: Add same IP but diff port to tried table, it doesn't get added.
+ // Perhaps this is not ideal behavior but it is the current behavior.
+ addrman.Good(CAddress(addr1_port));
+ BOOST_CHECK(addrman.size() == 1);
+ bool newOnly = true;
+ CAddrInfo addr_ret3 = addrman.Select(newOnly);
+ BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
+}
+
+
+BOOST_AUTO_TEST_CASE(addrman_select)
+{
+ CAddrManTest addrman;
+
+ // Set addrman addr placement to be deterministic.
+ addrman.MakeDeterministic();
+
+ CNetAddr source = CNetAddr("252.2.2.2:8333");
+
+ // Test 9: Select from new with 1 addr in new.
+ CService addr1 = CService("250.1.1.1:8333");
+ addrman.Add(CAddress(addr1), source);
+ BOOST_CHECK(addrman.size() == 1);
+
+ bool newOnly = true;
+ CAddrInfo addr_ret1 = addrman.Select(newOnly);
+ BOOST_CHECK(addr_ret1.ToString() == "250.1.1.1:8333");
+
+
+ // Test 10: move addr to tried, select from new expected nothing returned.
+ addrman.Good(CAddress(addr1));
+ BOOST_CHECK(addrman.size() == 1);
+ CAddrInfo addr_ret2 = addrman.Select(newOnly);
+ BOOST_CHECK(addr_ret2.ToString() == "[::]:0");
+
+ CAddrInfo addr_ret3 = addrman.Select();
+ BOOST_CHECK(addr_ret3.ToString() == "250.1.1.1:8333");
+}
+
+BOOST_AUTO_TEST_CASE(addrman_new_collisions)
+{
+ CAddrManTest addrman;
+
+ // Set addrman addr placement to be deterministic.
+ addrman.MakeDeterministic();
+
+ CNetAddr source = CNetAddr("252.2.2.2:8333");
+
+ BOOST_CHECK(addrman.size() == 0);
+
+ for (unsigned int i = 1; i < 4; i++){
+ CService addr = CService("250.1.1."+boost::to_string(i));
+ addrman.Add(CAddress(addr), source);
+
+ //Test 11: No collision in new table yet.
+ BOOST_CHECK(addrman.size() == i);
+ }
+
+ //Test 12: new table collision!
+ CService addr1 = CService("250.1.1.4");
+ addrman.Add(CAddress(addr1), source);
+ BOOST_CHECK(addrman.size() == 3);
+
+ CService addr2 = CService("250.1.1.5");
+ addrman.Add(CAddress(addr2), source);
+ BOOST_CHECK(addrman.size() == 4);
+}
+
+BOOST_AUTO_TEST_CASE(addrman_tried_collisions)
+{
+ CAddrManTest addrman;
+
+ // Set addrman addr placement to be deterministic.
+ addrman.MakeDeterministic();
+
+ CNetAddr source = CNetAddr("252.2.2.2:8333");
+
+ BOOST_CHECK(addrman.size() == 0);
+
+ for (unsigned int i = 1; i < 75; i++){
+ CService addr = CService("250.1.1."+boost::to_string(i));
+ addrman.Add(CAddress(addr), source);
+ addrman.Good(CAddress(addr));
+
+ //Test 13: No collision in tried table yet.
+ BOOST_TEST_MESSAGE(addrman.size());
+ BOOST_CHECK(addrman.size() == i);
+ }
+
+ //Test 14: tried table collision!
+ CService addr1 = CService("250.1.1.76");
+ addrman.Add(CAddress(addr1), source);
+ BOOST_CHECK(addrman.size() == 74);
+
+ CService addr2 = CService("250.1.1.77");
+ addrman.Add(CAddress(addr2), source);
+ BOOST_CHECK(addrman.size() == 75);
+}
+
+
+BOOST_AUTO_TEST_SUITE_END() \ No newline at end of file